Create a new OBEXFileTransferServices object
- macOS 10.6+
A valid IOBluetoothOBEXSession
A newly created OBEXFileTransferServices object on success, nil on failure
This object must be constructed with a valid IOBluetoothOBEXSession. The given IOBluetoothOBEXSession does not need to be connected to the remote server. OBEXFileTransferServices can be manually connected through the provided connection methods.